Table 4.

Maximum miniscrew equivalent stress under 200-cN force (MPa)

	B1	B2	B3	R1	R2	R3	S1	S2	S3	V1	V2	V3
Force angle 0°	130.58	131.66	131.19	132.06	130.58	132.00	122.85	122.87	125.04	122.62	126.91	124.50
Force angle 45°	107.54	108.40	104.07	108.63	105.06	108.72	93.10	99.01	103.01	100.60	100.15	99.91
Force angle 90°	22.56	22.78	22.58	22.64	22.57	22.85	21.49	21.27	21.54	20.78	21.43	21.84

B: Buttress thread shape, R: Reverse buttress thread shape, S: Square thread shape, V: V-shape thread shape